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- W2002163455 abstract "A low cost tip-tilt wavefront stabilization system has been put into operation on the Blanco 4-m telescope on Cerro Tololo. A light-weighted f/15 secondary mirror is driven by three commercial piezoelectric actuators. A dichroic at the Cassegrain focus separates optical reference and IR science beams. A steerable high-speed optical CCD sensor, coupled to a dedicated PC for control and image processing, provides positional feedback to the secondary. The IR field is reflected to one of several science sensors. We present a system description, initial performance measures at the telescope, and directions for future improvements." @default.
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- W2002163455 date "1998-08-21" @default.
- W2002163455 modified "2023-09-23" @default.
- W2002163455 title "Performance of a novel tip-tilt secondary system on the Blanco 4-m telescope" @default.
- W2002163455 doi "https://doi.org/10.1117/12.317320" @default.
- W2002163455 hasPublicationYear "1998" @default.
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